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Dolatocrinus triangulatus |
Thunder Bay formation |
David Thompson |
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Submitted on 2009-06-03 by David Thompson
Location (approximate): Alpena, Alpena, MI
Strat unit: Thunder Bay formation
Submitter notes: This shows the crinoid calyx on a dark background to emphasize detail.
Photo title: Dolatocrinus triangulatus
Taxa present: Dolatocrinus triangulatus
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Dolatocrinus triangulatus |
Thunder Bay formation |
David Thompson |
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Submitted on 2009-06-03 by David Thompson
Location (approximate): Alpena, Alpena, MI
Strat unit: Thunder Bay formation
Submitter notes: Showing tegman.
Photo title: Dolatocrinus triangulatus
Taxa present: Dolatocrinus triangulatus
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Antholites alpenensis |
Thunder Bay formation |
David Thompson |
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Submitted on 2009-06-03 by David Thompson
Location (approximate): Alpena, Alpena, MI
Strat unit: Thunder Bay formation
Submitter notes: This tabulate coral attaches around the stem of crinoids which is believed to keep them off the substrate. These are delicate corals and there are fronds of Bryozoan in the coralite cups but are NOT part of the Antholites. This is from the same Thunder Bay Limestone locality for the Dolatocrinus just shown and collected the same day. This does look a bit like a Mayan god of rain!
Photo title: Antholites alpenensis
Taxa present: Antholites alpenensis
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Antholites alpenensis |
Thunder Bay formation |
David Thompson |
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Submitted on 2009-06-03 by David Thompson
Location (approximate): Alpena, Alpena, MI
Strat unit: Thunder Bay formation
Submitter notes: Another view of the reverse side of coral just shown. Again this is with a dark background to highlight detail of the coral. A bit of the crinoid stem is visible at the top of the image
Photo title: Antholites alpenensis
Taxa present: Antholites alpenensis
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Antholites alpenensis |
Thunder Bay formation |
David Thompson |
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Submitted on 2009-06-03 by David Thompson
Location (approximate): Alpena, Alpena, MI
Strat unit: Thunder Bay formation
Submitter notes: This view shows the crinoid stem and the thickness of the corals which are comparatively thin. The coral is 3/4' or 20 mm by 3/4' or 20 mm by 1/4' or 7 mm thick. I am sure many of my friends in FUMMP have better examples of this unusual coral they could show.
Photo title: Antholites alpenensis
Taxa present: Antholites alpenensis
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Gennaeocrinus variabilis |
Bell formation |
David Thompson |
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Submitted on 2009-06-03 by David Thompson
Location (approximate): , Presque Isle, MI
Strat unit: Bell formation
Submitter notes: Small complete crinoid Calyx from the Bell Shale at Rockport Quarry. The ornamented calyx is 3/4' or 20 mm by 3/4' or 20 mm but is a bit flattened.
Photo title: Gennaeocrinus variabilis
Taxa present: Gennaeocrinus variabilis
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Gennaeocrinus variabilis |
Bell formation |
David Thompson |
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Submitted on 2009-06-03 by David Thompson
Location (approximate): , Presque Isle, MI
Strat unit: Bell formation
Submitter notes: The base of the Gennaeocrinus showing the stem attachment and the characteristic
'flange' around the stem.
Photo title: Gennaeocrinus variabilis
Taxa present: Gennaeocrinus variabilis
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Eldredgeops rana crassituberculata |
Silica formation |
David Thompson |
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Submitted on 2009-06-06 by David Thompson
Location (approximate): Paulding, Paulding, OH
Strat unit: Silica formation
Submitter notes: This photo is of a nice Eldredgeops crassituberculata collected this year on a 'Friend's' field trip to the LaFarge quarry at Paulding, Ohio due to the courtesy of their management. The prepared block is 10' or 26 cm long by 7' or 18.5 cm at the widest and 5 3/4' or 15 cm at the narrower end. The Trilobite is 2 7/8' (7 cm) long and 1 1/2' or 4 cm across the cheek. Some small areas of pyrite adhere to the shell and look like shale.
Photo title: A Large Silica Trilobite
Taxa present: Eldredgeops rana crassituberculata
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Eldredgeops rana crassituberculata |
Silica formation |
David Thompson |
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Submitted on 2009-06-06 by David Thompson
Location (approximate): Paulding, Paulding, OH
Strat unit: Silica formation
Submitter notes: This shows more detail in a closer view.
Photo title: A Close up View
Taxa present: Eldredgeops rana crassituberculata
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Eldredgeops rana crassituberculata |
Silica formation |
David Thompson |
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Submitted on 2009-06-06 by David Thompson
Location (approximate): Paulding, Paulding, OH
Strat unit: Silica formation
Submitter notes: Since much of the material on this site is prepared, it was thought to show how this trilobite appeared when collected in the field. As you see, there is very little showing when many of these fossils are being collected.
Photo title: Unprepared or field view of Trilobite
Taxa present: Eldredgeops rana crassituberculata
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Orthospirifer cooperi?, euruteines? |
Silica formation |
Mike Palescuk |
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Submitted on 2009-06-17 by Mike Palescuk
Location (approximate): Paulding, Paulding, OH
Strat unit: Silica formation
Submitter notes: Unusually well preserved points on this 3 inch tip-to-tip specimen
Photo title: Brachiopod Orthospirifer
Taxa present: Orthospirifer cooperi?, euruteines?
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Tylothyris sp. |
Silica formation |
Mike Palescuk |
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Submitted on 2009-06-17 by Mike Palescuk
Location (approximate): Paulding, Paulding, OH
Strat unit: Silica formation
Submitter notes: 3/4 inch wide
Photo title: brachiopod
Taxa present: Tylothyris sp.
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Unknown |
Arkona formation |
David Clark |
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Submitted on 2009-06-20 by David Clark
Location (approximate): Arkona, Lambton, ON
Strat unit: Arkona formation
Submitter notes: A fairly large specimen (160+ mm) of uncommon Devonian wood found at Arkona.
Photo title: Devonian wood
Taxa present: Unknown
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Arthroacantha carpenteri, Logocrinus brandoni |
Silica formation |
David Clark |
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Submitted on 2009-06-20 by David Clark
Location (approximate): , Lucas, OH
Strat unit: Silica formation
Submitter notes: A very small Arthroacantha crinoid in starburst position. A 10 mm logocrinus is just above it.
Photo title: Juvenile Arthroacantha and Logocrinus crinoids
Taxa present: Arthroacantha carpenteri, Logocrinus brandoni
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Fistulipora eriensis |
Widder formation |
ummp invertebrate paleontology |
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Submitted on 2009-07-14 by ummp invertebrate paleontology
Location (approximate): Thedford, Lambton, ON
Strat unit: Widder formation
Submitter notes: This specimen is 5 cm across.
Photo title: Bryozoan - View #1
Taxa present: Fistulipora eriensis
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Scalaripora separata |
Thunder Bay formation |
ummp invertebrate paleontology |
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Submitted on 2009-07-14 by ummp invertebrate paleontology
Location (approximate): Alpena, Alpena, MI
Strat unit: Thunder Bay formation
Submitter notes: This specimen is 2.5 cm across.
Photo title: Bryozoan
Taxa present: Scalaripora separata
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Scalaripora variosa |
Four Mile Dam formation |
ummp invertebrate paleontology |
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Submitted on 2009-07-14 by ummp invertebrate paleontology
Location (approximate): Alpena, Alpena, MI
Strat unit: Four Mile Dam formation
Submitter notes: This specimen is 4.5 cm across.
Photo title: Bryozoan
Taxa present: Scalaripora variosa
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Phractopora winchelli |
Petoskey formation |
ummp invertebrate paleontology |
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Submitted on 2009-07-14 by ummp invertebrate paleontology
Location (approximate): , Emmet, MI
Strat unit: Petoskey formation
Submitter notes: This specimen is 4 cm across the top.
Photo title: Bryozoan
Taxa present: Phractopora winchelli
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Reptaria stolonifera |
Silica formation |
ummp invertebrate paleontology |
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Submitted on 2009-07-14 by ummp invertebrate paleontology
Location (approximate): Sylvania, Lucas, OH
Strat unit: Silica formation
Submitter notes: This specimen is 4 cm across the photo.
Photo title: Bryozoan
Taxa present: Reptaria stolonifera
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Anastomopora sp. |
Four Mile Dam formation |
ummp invertebrate paleontology |
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Submitted on 2009-07-14 by ummp invertebrate paleontology
Location (approximate): Alpena, Alpena, MI
Strat unit: Four Mile Dam formation
Submitter notes: This specimen is 2 cm across.
Photo title: Bryozoan
Taxa present: Anastomopora sp.
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